masooma68 masooma68
  • 12-08-2020
  • Mathematics
contestada

y= 3x - 15
x+y=13
find the solution

Respuesta :

ramylan00
ramylan00 ramylan00
  • 12-08-2020

Answer:

x+3x-15=13

4x=28

x=7

......

Answer Link
marnie16
marnie16 marnie16
  • 12-08-2020

Answer:

[tex]y = 3x - 15 \\ \\ to \: find \: x \: substitute \: y \: into \: 0\\ \\ 0 = 3x - 15 \\ - 3x = - 15 \\ divide \: both \: sides \:by \: - 3 \\ \\ x = 5[/tex]

Answer Link

Otras preguntas

what helps a daisy to survive
Which sign makes the statement true?8.9   8 68100
I need help factoring  quadratic equation10x^2+31x+24
why treaty of versailles made ww2
If I score 13 out of 24 in a test , what percentage is this ?
Can you help me with this one ? Factor 2x2 + 7x + 3.A.(2x + 1)(x + 3)B.(2x + 3)(x + 1)C.(2x + 5)(x + 1)D.The polynomial is prime.
why treaty of versailles made ww2
The distance from town A to town B is five miles. C is six miles from B. Which of the following could be the distance from A to C? I 11 II 1 III 7
During the operation of a voltaic cell, the cell produces1) electrical energy spontaneously2) chemical energy spontaneously3) electrical energy nonspontaneously
Convert the credit card rate to the APR.  Oregon 2/14% per month.